Questions about compounds that lower the surface tension (or interfacial tension) between two liquids or between a liquid and a solid.

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How do I create a transparent liquid for ferrofluid display?

Hello~ I am a media art artists working in Korea. Recently, create a kinetic artwork using ferrofluid. I need to create an artificial pond with a diameter of 3 meters. So I need a lot of suspension ...
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32 views

Differences between anionic and cationic surfactant in DNA extraction?

What's the main difference in DNA extraction between using an anionic surfactant (like SDS) or a cationic surfactant (like CTAB)?
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79 views

What would be a safe/good surfactant for ultrasonic cleaning vinyl records + distilled water and isopropyl alcohol

Title pretty much says it all besides the type of records I believe are pvc (60s - current, someone correct me if there may be other materials but I absolutely don't have any shellac records) and I ...
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23 views

Why are critical micelle concentrations so large?

Dissolving a non-polar molecule in water incurs a free energy cost of about $10 kJ/(mol \cdot nm^2)$ (source: http://bionumbers.hms.harvard.edu/bionumber.aspx?&id=101826) The entropy gained from ...
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1answer
59 views

How to disperse salicylic acid in sodium lauryl sulphate solution? [closed]

Anti-dandruff shampoo contains Salicylic acid as an active ingredient, but when salicylic acid powder comes in contact with a base solution such as sodium laurylsulfate and water (1:3 wt/wt) caking of ...
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1answer
329 views

Do surfactants exist in a gas phase?

I am wondering if there are surfactants that exist in a gas state that can be used to reduce the surface tension of a liquid. I know its a broad question, so for example, are there any gases that ...
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16 views

Decreasing surface tension of photpolymers

I am currently building 3D printers for a company and have been tasked with trying to solve the problem we are having with our prints rounding/bulging at the tops. The printers are SLA resin printers,...
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73 views

Understanding observations of dissolving surfactants in methanol, water and hexane combinations

I added various solvents to a shower gel product to see what would happen. The main surfactant ingredients in it are Methyl Gluceth 20, Sodium Laureth Sulfate, and Lauryl Glucoside. First I diluted ...
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82 views

Difference between starch surfactant and CTAB, SDS, Tx-100

I am doing a research on the effect of surfactant on ZnO nanoparticles properties. There is a confusion here between starch surfactant and CTAB, Tx-100 and SDS. I need point on what is the difference ...
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2answers
1k views

Why does shampoo lather much more the second time it is applied?

When I shampoo my dirty hair, the first time it does not lather very much. The second time it lathers a lot. Why is this?
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2answers
187 views

What is the purpose of froth in washing clothes?

I stay at a rented place and there is no washing machine. I, now, wash clothes in a bucket. When I add detergent, sometimes there is froth, sometimes there is not. I wonder if this had any impact on ...
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2answers
4k views

Why does soap reduce surface tension of water

One explanation I read is that soap's long non-polar end will seek the air at the interface between water and air, and that the ionic end will form ionic-dipole bonds with the water. In the process of ...
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3answers
394 views

Is there a type of detergent/surfactant that evaporates at STP?

Are there any type of detergent/surfactant chemicals that would be good for removing dirt and grease from fabric that also would evaporate from the clothes within, say, 24 hours leaving no residue? ...
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1answer
223 views

Lemon juice, the ultimate anti-foaming agent?

As an amateur soda maker, I have noticed an odd phenomenon: lemon juice sodas do not foam. Virtually every juice I have tried foams to some degree when mixed with carbonated water. Lemon juice does ...
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0answers
31 views

What can I use instead of AOT in the following protocol?

We want to nanoencapsulate our pesticide using the following protocol; but we don’t have AOT surfactant. So, what can I use instead of AOT in the following protocol? Sodium alginate solution in ...
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1answer
1k views

What turns clear liquid soap blue?

Liquid soap that sits in metal pump handles turns blue after a week or so, as in this photo comparing the soap in its initial clear state and then after pumping from the dispenser. The pumps are ...
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1answer
52 views

What non-poisonous chemicals can get rid of SLS effectively?

Whenever I brush teeth, there are some kind of bubbles sticking inside the cavity and that's uncomfortable, it should be SLS as found on the internet. Does anyone know how do I get rid of those ...
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82 views

Mixing borax and shampoo [closed]

I use borax to clean everything. the other day I thought it would be a good idea to mix a little borax with my shampoo while showering. After lathering it on my scalp about 30 seconds it began to ...
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14 views

ordering the hydrophilicity of some polymers

I need to compare the hydrophilicity of those materials to compare contact angles of water with those materials' surfaces for surface tension measurement. Materials are: PTFE (Teflon), PVC, PS, PVDF, ...
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29 views

Microorganism preventative solution safe for using on a roof and will last in the sun

Information is scarce in the roof cleaning industry and the big guys are making a killing selling chemicals that are harmful to the person using it and everything around the home. I would like to find ...
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1answer
85 views

The sponge isn't foaming up, why?

When I add dish soap to a sponge it is able to foam up. But if I leave the sponge alone for an hour, it doesn't foam up, not even if it is wetted. Why? The sponge should still contain dish soap an ...
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1answer
109 views

Why isn't washing up liquid dry

Washing up liquid is wet and it is added to water. Why does it not come in a half size package and you add the water yourself? In the same way washing powder is?
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1answer
837 views

Soap and rain water, why does it not rinse off?

I am in Papua New Guinea at the moment, where rain water harvesting is the most common way of getting water. When washing hands, the soap feels hard to rinse off, and my skin feels "greasy". I read ...
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1answer
351 views

What is the difference between the reactivity of Lead subacetate and Lead II acetate undergoing a hydrothermal process?

I am attempting to adapt a hydrothermal method for synthesizing $\ce{PbS}$ nanocrystals to my school that contains a mixture of cationic and anionic surfactants sodium dodecyl sulfate (.05 mmol, SDS) ...
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1answer
42 views

What are the differences between the various household surfactants?

In a typical household, the following surfactants are found, among others: Soap / handwash Shower gel Shampoo Dishwashing agent Washing powder / liquid From my understanding, the role of all these ...
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1answer
512 views

What is the difference between the roles of a surfactant and a stabilizer in the process of nanocrystal growth?

The crystals that I am synthesizing use two different stabilizers CTAB and SDS, but they say one is used as a surfactant and since they are both stabilizers what is the need for both?
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4k views

What are the main differences of CTAB and DTAB surfactants? And what are practical applications of them?

Just doing a little bit of research of both surfactants but I can't seem to find too much online about them. Hopefully you guys can help out!
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1answer
139 views

Dyes that can stain oil and water

Is there such a thing as a dye that can stain both oil and water? In other words, does anyone know of an amphiphilic dye? Maybe a surfactant that is also a pretty shade of blue? Or maybe turn one ...
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2answers
1k views

Thermodynamics (Entropy change) of micellization?

I was reviewing the thermodynamics of micelle formation from the Wikipedia page and this book. I understood most of the arguments but micellization is supposed to be an entropy driven process with a ...
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693 views

Perfluorobutanesulfonic acid (PFBS) Safety and Toxicity

I was wondering if anyone had any experience with PFBS or PFOS (perflurooctane sulfonic acid)? I am thinking about trying to purchase some of these fluorosurfactants in bulk in order to (hopefully) ...
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0answers
194 views

Why does the reaction of chlorosulfonic acid (colorless) and 1-dodecanol (colorless) produces a deep dark-red-colored solution?

I was wondering if anyone had any insight as to why the reaction of chlorosulfonic acid (colorless) and 1-dodecanol (colorless) produces a deep dark-red-colored solution? The reaction should give ...
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2answers
88 views

Is there an efficient and effective way to clean oil from floor?

I've recently had several jerry-cans of oil (awaiting disposal) topple over in the attached garage, and several rooms following influx of water following heavy rain. After the water level receded the ...
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1answer
957 views

What is the substance in the new water cooler filter that give bubbles and taste a bit like soap

Recently the water cooler was replace with a new filter. However, when I refill my water kettle with the water from the water cooler, there are many bubbles and the taste was a bit like soap. What ...
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1answer
1k views

Removing wine stains from a decanter

I have a decanter which I use fairly often to pour out wines. I typically rinse it with hot water after the last wine has come out, but I cannot prevent it from forming 'residual' wine stains over ...
6
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1answer
131 views

Stripeless cleaning of windows

Cross post: http://physics.stackexchange.com/q/56800/7433 Last week I was discussing with a friend how we thought the stripeless cleaning of windows is achieved when using a cleaner like Windex ...
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3answers
17k views

What is the difference between hand wash and body wash soap?

I do not like body wash always with strong favor. I like hand wash soap to wash my body. Are they difference at all? Thanks for the comments, so that I add the following information I am really sorry ...
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1answer
165 views

Impact of detergent on internal living tissue?

There was some spirited debate between the members of my chemistry lab today about the theoretical consequences of ingesting a large amount of the detergent Triton X-100 at a 100% concentration. The ...
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1answer
1k views

What is the opposite of a surfactant?

Surfactants decrease surface tension between two fluids. What do you call a substance that increases the surface tension between two fluids? How is this effect acheived?
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1answer
82 views

How do surfactants spread in the case of multiple materials?

For example, consider a pot of water with a drop of oil floating on it, with surfactants present in the water. Will the surfactants in the water spread evenly across all three interfaces (water/metal,...
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1answer
610 views

Do dishwashing detergent and stain remover powder/stick have the similar ability to remove collar rings?

For yellow rings on shirts caused by skin grease or sweat: Some recommended to use an "Oxyclean" stain remover or stain remover stick for cleaning. Some recommended to use dishwashing detergent to ...
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3answers
15k views

Reaction of soap with water

I've seen it many times... Why does soap become foam-like when it reacts with water (moisture) or when we touch it with wet hands.. What compound actually causes this physical change? And why does ...
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1answer
544 views

Does borax do anything more for “boosting” detergent than adding active oxygen would?

Borax, $\ce{Na2B4O7}$, is often marketed as a "laundry booster" under the brand "20 Mule Team Borax". The unit crystal of borax can be seen below. Other laundry products in the past have added ...
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1answer
938 views

What's the chemical nature of a dishwasher's rinsing agent?

It seems that a rinsing agent helps the dishes in the dishwasher dry much better than they do without it (which I recently noted on my new dishwasher). What molecules are used in the composition of ...